The cold forging of the spur gear is a complicated three-dimensional forming, and its process and precision are influenced by many factors.
直齿轮的冷锻成形，属于复杂的三维变形，多种因素影响齿轮的成形和精度。
The study is focused on isothermal precision forming technology of rib-web forging parts.
主要研究筋板类锻件等温精密成形技术。
At last, with the improved forming process and accuracy control operation in this thesis, series of experiments of precision gear forging have been implemented.
最后，采用本文的工艺手段和精度控制措施，进行了一系列齿轮精锻试验，并进行了小批量的生摘要产。
The production process includes hammer die forging, pressure forging, roll forging forming, and precision rolling-die forging composite technology.
前轴是汽车中的大型重要锻件，其生产工艺可归纳为锤上模锻、热模锻压力机上模锻、成形辊锻、精辊-模锻复合工艺等几种类型。
The cold precision forging of spur gears has been researched, and the effects of relief-hole shape and forging process on the spur gears forming has been analyzed.
研究了直齿圆柱齿轮的冷精锻过程，分析了分流孔形状、成形工艺等因素对齿轮成形的影响。
Since the structure of blade is complex and the forming precision is very high, the precision forging die becomes one of the advanced technologies used in aeroengine manufacture.
叶片形状复杂，零件成形精度高，采用精锻技术生产叶片是航空发动机生产企业采用的先进制造方法之一。
The precision forging process for the steering sector gear shaft is discussed in the paper. The principle and the path of forming of the hot extruding and upsetting are also discussed.
介绍了热挤镦加热精整汽车转向机摇臂轴精锻成形工艺，对热挤镦的成形原理及变形过程进行了分析探讨。
A new precision forming technology was presented, which uses an ordinary forging machine and a high precision rotary forging machine to make the closed-tolerance semi-axle bevel gear forgings.
论述了精锻汽车差速器半轴齿轮原模具结构存在的问题，改进了锻造工艺和锻件设计，设计了新型粗锻模和精压模。
The bevel gear's cold forging die was designed based on the principles of cold precision forming.
基于冷锻成形原理，对锥齿轮冷精锻模进行了设计。
A description has been given to new process and important points of structure design of pre-forming die for precision forging U. S. A type of octagonal hammer with a practical die presented.
介绍了美式八角锤锤体精锻成形新工艺及其预锻模结构设计要点。
A description has been given to new process and important points of structure design of pre-forming die for precision forging U. S. A type of octagonal hammer with a practical die presented.
介绍了美式八角锤锤体精锻成形新工艺及其预锻模结构设计要点。
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